I'm on business essay best friend While the number of public charging stations in the United States and Canada has grown to more than 20,000 from 3,000 in 2009, the ability to charge at work is key for driving down costs and making EVs more convenient, Tinskey said. The company has no plans to install chargers in public places, he said. 必須 2000文字以内 [bbs:youtube:(Youtubeの動画ID)]と書くとYoutubeの動画が貼れます。(例:[bbs:youtube:OQThUAQ0UN0])